Convert app_bindings.js to the schema_generated_bindings.js infrastructure.

chrome/renderer/resources/extensions/app_custom_bindings.js

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Custom bindings for the app API.
+
+(function() {
+
+native function GetChromeHidden();
+native function GetIsInstalled();
+native function Install();
+native function GetDetails();
+native function GetDetailsForFrame();
+native function GetAppNotifyChannel();
+
+var chromeHidden = GetChromeHidden();
+
+chromeHidden.registerCustomHook('app', function(bindingsAPI) {
+  var apiFunctions = bindingsAPI.apiFunctions;
+
+  // Note: everything in chrome.app is synchronous.
+  apiFunctions.setHandleRequest('app.getIsInstalled', GetIsInstalled);
+  apiFunctions.setHandleRequest('app.install', Install);
+  apiFunctions.setHandleRequest('app.getDetails', GetDetails);
+  apiFunctions.setHandleRequest('app.getDetailsForFrame', GetDetailsForFrame);
+
+  // Tricky; "getIsInstalled" is actually exposed as the getter "isInstalled",
+  // but we don't have a way to express this in the schema JSON (nor is it
+  // worth it for this one special case).
+  //
+  // So, define it manually, and let the getIsInstalled function act as its
+  // documentation.
+  chrome.app.__defineGetter__('isInstalled', GetIsInstalled);
+
+  // Called by app_bindings.cc.
+  chromeHidden.app = {
+    onGetAppNotifyChannelResponse: function(channelId, error, callbackId) {
+      if (callbackId) {
+        callbacks[callbackId](channelId, error);
+        delete callbacks[callbackId];
+      }
+    }
+  };
+
+  // appNotification stuff.
+  //
+  // TODO(kalman): move this stuff to its own custom bindings.
+  // It will be bit tricky since I'll need to look into why there are
+  // permissions defined for app notifications, yet this always sets it up?
+  var callbacks = {};
+  var nextCallbackId = 1;
+
+  chrome.appNotifications = new function() {
+    this.getChannel = function(clientId, callback) {
+      var callbackId = 0;
+      if (callback) {
+        callbackId = nextCallbackId++;
+        callbacks[callbackId] = callback;
+      }
+      GetAppNotifyChannel(clientId, callbackId);
+    };
+  }();
+});
+
+})();